| Seal Beach to Nyon | 5,905.27 mi (9,503.62 km) |
| Seal Beach to Oberriet | 5,963.93 mi (9,598.01 km) |
| Seal Beach to Obersiggenthal | 5,915.47 mi (9,520.02 km) |
| Seal Beach to Oberwil | 5,890.88 mi (9,480.45 km) |
| Seal Beach to Oberwingert | 5,928.82 mi (9,541.52 km) |
| Seal Beach to Oftringen | 5,912.35 mi (9,515.00 km) |
| Seal Beach to Olten | 5,910.12 mi (9,511.42 km) |
| Seal Beach to Onex | 5,910.89 mi (9,512.66 km) |
| Seal Beach to Opfikon | 5,926.81 mi (9,538.28 km) |
| Seal Beach to Ostermundigen | 5,917.16 mi (9,522.75 km) |
| Seal Beach to Payerne | 5,906.29 mi (9,505.25 km) |
| Seal Beach to Pfaffikon | 5,937.00 mi (9,554.68 km) |
| Seal Beach to Plan-les-Ouates | 5,912.27 mi (9,514.89 km) |
| Seal Beach to Pratteln | 5,895.31 mi (9,487.59 km) |
| Seal Beach to Prilly | 5,909.74 mi (9,510.81 km) |
