| Waldbrol to Oerlinghausen | 87.76 mi (141.24 km) |
| Waldbrol to Oestrich-Winkel | 63.04 mi (101.46 km) |
| Waldbrol to Offenburg | 167.27 mi (269.20 km) |
| Waldbrol to Oftersheim | 112.72 mi (181.40 km) |
| Waldbrol to Ohrdruf | 136.03 mi (218.92 km) |
| Waldbrol to Ohringen | 143.00 mi (230.14 km) |
| Waldbrol to Olbernhau | 250.22 mi (402.70 km) |
| Waldbrol to Olching | 248.55 mi (400.00 km) |
| Waldbrol to Oldenburg | 158.55 mi (255.17 km) |
| Waldbrol to Oldenburg in Holstein | 273.23 mi (439.73 km) |
| Waldbrol to Olfen | 58.75 mi (94.54 km) |
| Waldbrol to Olpe | 13.45 mi (21.65 km) |
| Waldbrol to Olsberg | 49.78 mi (80.11 km) |
| Waldbrol to Oranienburg | 272.75 mi (438.95 km) |
| Waldbrol to Ortenberg | 72.75 mi (117.08 km) |
