| Grosseto to Rockville (Maryland) | 4,390.80 mi (7,066.31 km) |
| Grosseto to Rockville Centre (New York) | 4,175.11 mi (6,719.19 km) |
| Grosseto to Rockwall (Texas) | 5,488.66 mi (8,833.15 km) |
| Grosseto to Rocky Mount (North Carolina) | 4,545.23 mi (7,314.85 km) |
| Grosseto to Rocky Point (New York) | 4,134.08 mi (6,653.15 km) |
| Grosseto to Rocky River (Ohio) | 4,496.69 mi (7,236.72 km) |
| Grosseto to Roessleville (New York) | 4,106.86 mi (6,609.36 km) |
| Grosseto to Rogers (Arkansas) | 5,232.29 mi (8,420.55 km) |
| Grosseto to Rogers (Minnesota) | 4,800.37 mi (7,725.46 km) |
| Grosseto to Rohnert Park (California) | 6,128.08 mi (9,862.19 km) |
| Grosseto to Rolla (Missouri) | 5,059.08 mi (8,141.81 km) |
| Grosseto to Rolling Meadows (Illinois) | 4,724.01 mi (7,602.56 km) |
| Grosseto to Roma (Texas) | 5,916.93 mi (9,522.38 km) |
| Grosseto to Rome (Georgia) | 4,946.12 mi (7,960.01 km) |
| Grosseto to Rome (New York) | 4,159.98 mi (6,694.83 km) |
