| San Gwann to Caguas (Puerto Rico) | 4,969.65 mi (7,997.88 km) |
| San Gwann to Cahokia (Illinois) | 5,399.54 mi (8,689.73 km) |
| San Gwann to Calabasas (California) | 6,731.81 mi (10,833.80 km) |
| San Gwann to Caldwell (Idaho) | 6,142.30 mi (9,885.07 km) |
| San Gwann to Caledonia (Wisconsin) | 5,130.64 mi (8,256.97 km) |
| San Gwann to Calera (Alabama) | 5,467.74 mi (8,799.48 km) |
| San Gwann to Calexico (California) | 6,699.44 mi (10,781.70 km) |
| San Gwann to Calhoun (Georgia) | 5,328.54 mi (8,575.45 km) |
| San Gwann to California (Maryland) | 4,791.53 mi (7,711.23 km) |
| San Gwann to California City (California) | 6,648.23 mi (10,699.30 km) |
| San Gwann to Callaway (Florida) | 5,532.54 mi (8,903.77 km) |
| San Gwann to Calumet City (Illinois) | 5,163.63 mi (8,310.07 km) |
| San Gwann to Calverton (Maryland) | 4,786.40 mi (7,702.96 km) |
| San Gwann to Camano (Washington) | 6,049.98 mi (9,736.50 km) |
| San Gwann to Camarillo (California) | 6,739.40 mi (10,846.01 km) |
