| Keerbergen to Oestrich-Winkel | 163.45 mi (263.05 km) |
| Keerbergen to Offenburg | 228.99 mi (368.52 km) |
| Keerbergen to Oftersheim | 208.08 mi (334.87 km) |
| Keerbergen to Ohrdruf | 265.99 mi (428.08 km) |
| Keerbergen to Ohringen | 249.09 mi (400.87 km) |
| Keerbergen to Olbernhau | 380.22 mi (611.91 km) |
| Keerbergen to Olching | 356.35 mi (573.49 km) |
| Keerbergen to Oldenburg | 212.15 mi (341.43 km) |
| Keerbergen to Oldenburg in Holstein | 347.00 mi (558.45 km) |
| Keerbergen to Olfen | 128.56 mi (206.90 km) |
| Keerbergen to Olpe | 139.20 mi (224.02 km) |
| Keerbergen to Olsberg | 168.55 mi (271.26 km) |
| Keerbergen to Oranienburg | 386.21 mi (621.55 km) |
| Keerbergen to Ortenberg | 198.76 mi (319.87 km) |
| Keerbergen to Oschatz | 367.72 mi (591.79 km) |
