| San Gwann to Ridgeland (Mississippi) | 5,655.04 mi (9,100.91 km) |
| San Gwann to Ridgewood (New Jersey) | 4,590.71 mi (7,388.03 km) |
| San Gwann to Rifle (Colorado) | 6,059.95 mi (9,752.55 km) |
| San Gwann to Rincon (Georgia) | 5,237.75 mi (8,429.35 km) |
| San Gwann to Ringwood (New Jersey) | 4,594.14 mi (7,393.55 km) |
| San Gwann to Río Grande (Puerto Rico) | 4,953.12 mi (7,971.28 km) |
| San Gwann to Rio Grande City (Texas) | 6,322.93 mi (10,175.78 km) |
| San Gwann to Rio Linda (California) | 6,565.47 mi (10,566.10 km) |
| San Gwann to Rio Rancho (New Mexico) | 6,232.03 mi (10,029.49 km) |
| San Gwann to Rio Rico (Arizona) | 6,592.32 mi (10,609.31 km) |
| San Gwann to Ripon (California) | 6,609.70 mi (10,637.29 km) |
| San Gwann to River Edge (New Jersey) | 4,589.08 mi (7,385.41 km) |
| San Gwann to River Falls (Wisconsin) | 5,239.05 mi (8,431.44 km) |
| San Gwann to River Forest (Illinois) | 5,163.89 mi (8,310.48 km) |
| San Gwann to River Grove (Illinois) | 5,163.51 mi (8,309.87 km) |
