| Formia to Ridgeland (Mississippi) | 5,410.45 mi (8,707.27 km) |
| Formia to Ridgewood (New Jersey) | 4,348.22 mi (6,997.78 km) |
| Formia to Rifle (Colorado) | 5,750.48 mi (9,254.50 km) |
| Formia to Rincon (Georgia) | 5,017.81 mi (8,075.38 km) |
| Formia to Ringwood (New Jersey) | 4,350.73 mi (7,001.82 km) |
| Formia to Río Grande (Puerto Rico) | 4,851.37 mi (7,807.53 km) |
| Formia to Rio Grande City (Texas) | 6,075.65 mi (9,777.81 km) |
| Formia to Rio Linda (California) | 6,230.33 mi (10,026.75 km) |
| Formia to Rio Rancho (New Mexico) | 5,935.79 mi (9,552.73 km) |
| Formia to Rio Rico (Arizona) | 6,295.23 mi (10,131.20 km) |
| Formia to Ripon (California) | 6,276.67 mi (10,101.32 km) |
| Formia to River Edge (New Jersey) | 4,347.01 mi (6,995.84 km) |
| Formia to River Falls (Wisconsin) | 4,944.62 mi (7,957.60 km) |
| Formia to River Forest (Illinois) | 4,889.15 mi (7,868.32 km) |
| Formia to River Grove (Illinois) | 4,888.62 mi (7,867.48 km) |
