| Ridgefield to Nyon | 3,856.92 mi (6,207.11 km) |
| Ridgefield to Oberriet | 3,969.64 mi (6,388.52 km) |
| Ridgefield to Obersiggenthal | 3,911.05 mi (6,294.22 km) |
| Ridgefield to Oberwil | 3,879.27 mi (6,243.08 km) |
| Ridgefield to Oberwingert | 3,930.10 mi (6,324.88 km) |
| Ridgefield to Oftringen | 3,900.43 mi (6,277.14 km) |
| Ridgefield to Olten | 3,898.72 mi (6,274.39 km) |
| Ridgefield to Onex | 3,857.17 mi (6,207.52 km) |
| Ridgefield to Opfikon | 3,924.19 mi (6,315.38 km) |
| Ridgefield to Ostermundigen | 3,893.33 mi (6,265.71 km) |
| Ridgefield to Payerne | 3,873.87 mi (6,234.39 km) |
| Ridgefield to Pfaffikon | 3,935.31 mi (6,333.27 km) |
| Ridgefield to Plan-les-Ouates | 3,858.39 mi (6,209.48 km) |
| Ridgefield to Pratteln | 3,885.29 mi (6,252.77 km) |
| Ridgefield to Prilly | 3,868.15 mi (6,225.19 km) |
