| Gretz-Armainvilliers to Robertsville (New Jersey) | 3,673.68 mi (5,912.22 km) |
| Gretz-Armainvilliers to Robinson (Texas) | 5,029.03 mi (8,093.44 km) |
| Gretz-Armainvilliers to Robstown (Texas) | 5,237.77 mi (8,429.38 km) |
| Gretz-Armainvilliers to Rochester (Michigan) | 3,937.96 mi (6,337.53 km) |
| Gretz-Armainvilliers to Rochester (Minnesota) | 4,239.76 mi (6,823.23 km) |
| Gretz-Armainvilliers to Rochester (New Hampshire) | 3,416.48 mi (5,498.29 km) |
| Gretz-Armainvilliers to Rochester (New York) | 3,696.03 mi (5,948.19 km) |
| Gretz-Armainvilliers to Rochester Hills (Michigan) | 3,940.36 mi (6,341.39 km) |
| Gretz-Armainvilliers to Rock Hill (South Carolina) | 4,194.23 mi (6,749.96 km) |
| Gretz-Armainvilliers to Rock Island (Illinois) | 4,284.87 mi (6,895.83 km) |
| Gretz-Armainvilliers to Rock Springs (Wyoming) | 4,951.23 mi (7,968.24 km) |
| Gretz-Armainvilliers to Rockford (Illinois) | 4,190.16 mi (6,743.40 km) |
| Gretz-Armainvilliers to Rockledge (Florida) | 4,490.96 mi (7,227.50 km) |
| Gretz-Armainvilliers to Rocklin (California) | 5,486.30 mi (8,829.34 km) |
| Gretz-Armainvilliers to Rockport (Texas) | 5,201.29 mi (8,370.66 km) |
