| Gretz-Armainvilliers to Rockville (Maryland) | 3,847.21 mi (6,191.48 km) |
| Gretz-Armainvilliers to Rockville Centre (New York) | 3,632.64 mi (5,846.17 km) |
| Gretz-Armainvilliers to Rockwall (Texas) | 4,927.78 mi (7,930.49 km) |
| Gretz-Armainvilliers to Rocky Mount (North Carolina) | 4,010.46 mi (6,454.22 km) |
| Gretz-Armainvilliers to Rocky Point (New York) | 3,591.92 mi (5,780.64 km) |
| Gretz-Armainvilliers to Rocky River (Ohio) | 3,939.26 mi (6,339.62 km) |
| Gretz-Armainvilliers to Roessleville (New York) | 3,557.56 mi (5,725.35 km) |
| Gretz-Armainvilliers to Rogers (Arkansas) | 4,668.87 mi (7,513.82 km) |
| Gretz-Armainvilliers to Rogers (Minnesota) | 4,226.58 mi (6,802.02 km) |
| Gretz-Armainvilliers to Rohnert Park (California) | 5,555.86 mi (8,941.29 km) |
| Gretz-Armainvilliers to Rolla (Missouri) | 4,495.95 mi (7,235.53 km) |
| Gretz-Armainvilliers to Rolling Meadows (Illinois) | 4,158.15 mi (6,691.90 km) |
| Gretz-Armainvilliers to Roma (Texas) | 5,363.52 mi (8,631.76 km) |
| Gretz-Armainvilliers to Rome (Georgia) | 4,401.41 mi (7,083.39 km) |
| Gretz-Armainvilliers to Rome (New York) | 3,606.67 mi (5,804.37 km) |
