| San Gwann to Red Bank (New Jersey) | 4,609.21 mi (7,417.81 km) |
| San Gwann to Red Bank (Tennessee) | 5,320.58 mi (8,562.64 km) |
| San Gwann to Red Bluff (California) | 6,504.43 mi (10,467.87 km) |
| San Gwann to Red Hill (South Carolina) | 5,073.87 mi (8,165.61 km) |
| San Gwann to Red Oak (Texas) | 5,950.50 mi (9,576.41 km) |
| San Gwann to Red Wing (Minnesota) | 5,249.85 mi (8,448.81 km) |
| San Gwann to Redan (Georgia) | 5,321.86 mi (8,564.71 km) |
| San Gwann to Redding (California) | 6,485.29 mi (10,437.07 km) |
| San Gwann to Redland (Maryland) | 4,792.93 mi (7,713.48 km) |
| San Gwann to Redlands (California) | 6,684.92 mi (10,758.34 km) |
| San Gwann to Redmond (Oregon) | 6,240.23 mi (10,042.68 km) |
| San Gwann to Redmond (Washington) | 6,070.21 mi (9,769.05 km) |
| San Gwann to Redondo Beach (California) | 6,737.31 mi (10,842.65 km) |
| San Gwann to Redwood City (California) | 6,657.13 mi (10,713.62 km) |
| San Gwann to Reedley (California) | 6,620.56 mi (10,654.77 km) |
