| Clearfield to Nuth | 5,062.07 mi (8,146.62 km) |
| Clearfield to Oegstgeest | 4,957.04 mi (7,977.59 km) |
| Clearfield to Oirschot | 5,015.59 mi (8,071.82 km) |
| Clearfield to Oisterwijk | 5,008.48 mi (8,060.37 km) |
| Clearfield to Oldebroek | 4,986.64 mi (8,025.22 km) |
| Clearfield to Oldenzaal | 5,023.55 mi (8,084.62 km) |
| Clearfield to Ommen | 4,998.50 mi (8,044.30 km) |
| Clearfield to Oosterend | 4,964.17 mi (7,989.07 km) |
| Clearfield to Oosterhout | 4,995.18 mi (8,038.97 km) |
| Clearfield to Oosterwolde | 4,971.37 mi (8,000.64 km) |
| Clearfield to Oostzaan | 4,957.34 mi (7,978.06 km) |
| Clearfield to Opmeer | 4,946.30 mi (7,960.30 km) |
| Clearfield to Oss | 5,008.97 mi (8,061.16 km) |
| Clearfield to Oud-Beijerland | 4,972.87 mi (8,003.06 km) |
| Clearfield to Oudenbosch | 4,987.72 mi (8,026.96 km) |
