| Karczew to Oerlinghausen | 534.36 mi (859.97 km) |
| Karczew to Oestrich-Winkel | 592.42 mi (953.40 km) |
| Karczew to Offenburg | 637.72 mi (1,026.32 km) |
| Karczew to Oftersheim | 583.88 mi (939.67 km) |
| Karczew to Ohrdruf | 460.60 mi (741.26 km) |
| Karczew to Ohringen | 551.27 mi (887.18 km) |
| Karczew to Olbernhau | 354.99 mi (571.30 km) |
| Karczew to Olching | 514.58 mi (828.13 km) |
| Karczew to Oldenburg | 551.00 mi (886.75 km) |
| Karczew to Oldenburg in Holstein | 455.14 mi (732.48 km) |
| Karczew to Olfen | 590.82 mi (950.84 km) |
| Karczew to Olpe | 580.28 mi (933.87 km) |
| Karczew to Olsberg | 548.13 mi (882.13 km) |
| Karczew to Oranienburg | 340.65 mi (548.22 km) |
| Karczew to Ortenberg | 540.36 mi (869.63 km) |
