| Gretz-Armainvilliers to Romeoville (Illinois) | 4,181.00 mi (6,728.66 km) |
| Gretz-Armainvilliers to Romulus (Michigan) | 3,967.69 mi (6,385.38 km) |
| Gretz-Armainvilliers to Ronkonkoma (New York) | 3,605.23 mi (5,802.06 km) |
| Gretz-Armainvilliers to Roosevelt (New York) | 3,629.71 mi (5,841.45 km) |
| Gretz-Armainvilliers to Rosamond (California) | 5,616.47 mi (9,038.84 km) |
| Gretz-Armainvilliers to Rosaryville (Maryland) | 3,846.84 mi (6,190.89 km) |
| Gretz-Armainvilliers to Roscoe (Illinois) | 4,180.51 mi (6,727.88 km) |
| Gretz-Armainvilliers to Rose Hill (Virginia) | 3,857.90 mi (6,208.70 km) |
| Gretz-Armainvilliers to Roseburg (Oregon) | 5,292.42 mi (8,517.33 km) |
| Gretz-Armainvilliers to Rosedale (California) | 5,618.62 mi (9,042.30 km) |
| Gretz-Armainvilliers to Rosedale (Maryland) | 3,809.57 mi (6,130.91 km) |
| Gretz-Armainvilliers to Roselle (Illinois) | 4,164.74 mi (6,702.51 km) |
| Gretz-Armainvilliers to Roselle (New Jersey) | 3,659.38 mi (5,889.20 km) |
| Gretz-Armainvilliers to Roselle Park (New Jersey) | 3,659.14 mi (5,888.82 km) |
| Gretz-Armainvilliers to Rosemead (California) | 5,657.29 mi (9,104.53 km) |
