| Pontneddfechan to San Luis Obispo (California) | 5,326.59 mi (8,572.32 km) |
| Pontneddfechan to San Marcos (California) | 5,332.64 mi (8,582.05 km) |
| Pontneddfechan to San Marcos (Texas) | 4,800.79 mi (7,726.12 km) |
| Pontneddfechan to San Marino (California) | 5,308.40 mi (8,543.05 km) |
| Pontneddfechan to San Mateo (California) | 5,247.44 mi (8,444.93 km) |
| Pontneddfechan to San Pablo (California) | 5,224.86 mi (8,408.60 km) |
| Pontneddfechan to San Rafael (California) | 5,228.75 mi (8,414.86 km) |
| Pontneddfechan to San Ramon (California) | 5,223.89 mi (8,407.03 km) |
| Pontneddfechan to San Tan Valley (Arizona) | 5,136.47 mi (8,266.36 km) |
| Pontneddfechan to Sand Springs (Oklahoma) | 4,410.51 mi (7,098.03 km) |
| Pontneddfechan to Sandusky (Ohio) | 3,633.77 mi (5,847.99 km) |
| Pontneddfechan to Sandy (Oregon) | 4,800.39 mi (7,725.48 km) |
| Pontneddfechan to Sandy (Utah) | 4,745.88 mi (7,637.75 km) |
| Pontneddfechan to Sandy Springs (Georgia) | 4,050.21 mi (6,518.18 km) |
| Pontneddfechan to Sanford (Florida) | 4,173.38 mi (6,716.41 km) |
