| Shelton to Oerlinghausen | 3,740.32 mi (6,019.47 km) |
| Shelton to Oestrich-Winkel | 3,768.83 mi (6,065.35 km) |
| Shelton to Offenburg | 3,810.55 mi (6,132.48 km) |
| Shelton to Oftersheim | 3,810.75 mi (6,132.81 km) |
| Shelton to Ohrdruf | 3,853.94 mi (6,202.32 km) |
| Shelton to Ohringen | 3,853.07 mi (6,200.92 km) |
| Shelton to Olbernhau | 3,960.85 mi (6,374.38 km) |
| Shelton to Olching | 3,958.04 mi (6,369.84 km) |
| Shelton to Oldenburg | 3,691.15 mi (5,940.33 km) |
| Shelton to Oldenburg in Holstein | 3,760.75 mi (6,052.35 km) |
| Shelton to Olfen | 3,696.73 mi (5,949.31 km) |
| Shelton to Olpe | 3,733.62 mi (6,008.68 km) |
| Shelton to Olsberg | 3,750.17 mi (6,035.31 km) |
| Shelton to Oranienburg | 3,893.02 mi (6,265.21 km) |
| Shelton to Ortenberg | 3,801.11 mi (6,117.29 km) |
