| Grammichele to Ridgeland (Mississippi) | 5,611.37 mi (9,030.62 km) |
| Grammichele to Ridgewood (New Jersey) | 4,547.01 mi (7,317.70 km) |
| Grammichele to Rifle (Colorado) | 5,997.31 mi (9,651.74 km) |
| Grammichele to Rincon (Georgia) | 5,200.66 mi (8,369.65 km) |
| Grammichele to Ringwood (New Jersey) | 4,550.19 mi (7,322.82 km) |
| Grammichele to Río Grande (Puerto Rico) | 4,946.65 mi (7,960.86 km) |
| Grammichele to Rio Grande City (Texas) | 6,278.84 mi (10,104.82 km) |
| Grammichele to Rio Linda (California) | 6,494.55 mi (10,451.97 km) |
| Grammichele to Rio Rancho (New Mexico) | 6,173.54 mi (9,935.36 km) |
| Grammichele to Rio Rico (Arizona) | 6,533.70 mi (10,514.97 km) |
| Grammichele to Ripon (California) | 6,539.51 mi (10,524.33 km) |
| Grammichele to River Edge (New Jersey) | 4,545.50 mi (7,315.28 km) |
| Grammichele to River Falls (Wisconsin) | 5,180.75 mi (8,337.62 km) |
| Grammichele to River Forest (Illinois) | 5,111.37 mi (8,225.96 km) |
| Grammichele to River Grove (Illinois) | 5,110.95 mi (8,225.28 km) |
