| Rotselaar to Oestrich-Winkel | 158.84 mi (255.63 km) |
| Rotselaar to Offenburg | 224.00 mi (360.50 km) |
| Rotselaar to Oftersheim | 203.25 mi (327.10 km) |
| Rotselaar to Ohrdruf | 262.53 mi (422.51 km) |
| Rotselaar to Ohringen | 244.34 mi (393.23 km) |
| Rotselaar to Olbernhau | 376.76 mi (606.34 km) |
| Rotselaar to Olching | 351.55 mi (565.76 km) |
| Rotselaar to Oldenburg | 212.35 mi (341.74 km) |
| Rotselaar to Oldenburg in Holstein | 346.99 mi (558.42 km) |
| Rotselaar to Olfen | 126.91 mi (204.24 km) |
| Rotselaar to Olpe | 135.88 mi (218.69 km) |
| Rotselaar to Olsberg | 165.79 mi (266.81 km) |
| Rotselaar to Oranienburg | 384.34 mi (618.53 km) |
| Rotselaar to Ortenberg | 194.68 mi (313.30 km) |
| Rotselaar to Oschatz | 364.70 mi (586.93 km) |
