| Costa Mesa to Nyon | 5,905.04 mi (9,503.24 km) |
| Costa Mesa to Oberriet | 5,964.13 mi (9,598.34 km) |
| Costa Mesa to Obersiggenthal | 5,915.57 mi (9,520.19 km) |
| Costa Mesa to Oberwil | 5,890.92 mi (9,480.52 km) |
| Costa Mesa to Oberwingert | 5,928.98 mi (9,541.77 km) |
| Costa Mesa to Oftringen | 5,912.39 mi (9,515.08 km) |
| Costa Mesa to Olten | 5,910.17 mi (9,511.50 km) |
| Costa Mesa to Onex | 5,910.62 mi (9,512.22 km) |
| Costa Mesa to Opfikon | 5,926.94 mi (9,538.49 km) |
| Costa Mesa to Ostermundigen | 5,917.12 mi (9,522.69 km) |
| Costa Mesa to Payerne | 5,906.17 mi (9,505.07 km) |
| Costa Mesa to Pfaffikon | 5,937.14 mi (9,554.91 km) |
| Costa Mesa to Plan-les-Ouates | 5,912.00 mi (9,514.45 km) |
| Costa Mesa to Pratteln | 5,895.37 mi (9,487.68 km) |
| Costa Mesa to Prilly | 5,909.56 mi (9,510.52 km) |
