| Streator to Oerlinghausen | 4,337.33 mi (6,980.25 km) |
| Streator to Oestrich-Winkel | 4,387.22 mi (7,060.54 km) |
| Streator to Offenburg | 4,443.34 mi (7,150.86 km) |
| Streator to Oftersheim | 4,433.05 mi (7,134.31 km) |
| Streator to Ohrdruf | 4,455.08 mi (7,169.75 km) |
| Streator to Ohringen | 4,473.80 mi (7,199.88 km) |
| Streator to Olbernhau | 4,554.19 mi (7,329.26 km) |
| Streator to Olching | 4,581.32 mi (7,372.92 km) |
| Streator to Oldenburg | 4,277.61 mi (6,884.15 km) |
| Streator to Oldenburg in Holstein | 4,326.38 mi (6,962.64 km) |
| Streator to Olfen | 4,300.43 mi (6,920.87 km) |
| Streator to Olpe | 4,342.78 mi (6,989.02 km) |
| Streator to Olsberg | 4,353.90 mi (7,006.93 km) |
| Streator to Oranienburg | 4,466.42 mi (7,188.01 km) |
| Streator to Ortenberg | 4,412.55 mi (7,101.31 km) |
