| San Gwann to Portage (Michigan) | 5,057.50 mi (8,139.26 km) |
| San Gwann to Portage (Wisconsin) | 5,166.40 mi (8,314.52 km) |
| San Gwann to Portales (New Mexico) | 6,152.78 mi (9,901.94 km) |
| San Gwann to Porterville (California) | 6,636.88 mi (10,681.03 km) |
| San Gwann to Portland (Maine) | 4,332.20 mi (6,972.01 km) |
| San Gwann to Portland (Oregon) | 6,207.28 mi (9,989.65 km) |
| San Gwann to Portland (Tennessee) | 5,317.90 mi (8,558.34 km) |
| San Gwann to Portland (Texas) | 6,184.84 mi (9,953.54 km) |
| San Gwann to Portsmouth (New Hampshire) | 4,373.60 mi (7,038.63 km) |
| San Gwann to Portsmouth (Ohio) | 5,072.09 mi (8,162.73 km) |
| San Gwann to Portsmouth (Virginia) | 4,835.37 mi (7,781.78 km) |
| San Gwann to Post Falls (Idaho) | 5,927.22 mi (9,538.94 km) |
| San Gwann to Potomac (Maryland) | 4,799.31 mi (7,723.75 km) |
| San Gwann to Potomac Park (California) | 6,673.64 mi (10,740.19 km) |
| San Gwann to Pottstown (Pennsylvania) | 4,685.41 mi (7,540.44 km) |
