| Tessenderlo to Oestrich-Winkel | 147.63 mi (237.58 km) |
| Tessenderlo to Offenburg | 220.07 mi (354.18 km) |
| Tessenderlo to Oftersheim | 194.01 mi (312.23 km) |
| Tessenderlo to Ohrdruf | 246.15 mi (396.14 km) |
| Tessenderlo to Ohringen | 234.12 mi (376.77 km) |
| Tessenderlo to Olbernhau | 360.35 mi (579.93 km) |
| Tessenderlo to Olching | 341.81 mi (550.08 km) |
| Tessenderlo to Oldenburg | 195.20 mi (314.14 km) |
| Tessenderlo to Oldenburg in Holstein | 329.50 mi (530.28 km) |
| Tessenderlo to Olfen | 108.51 mi (174.63 km) |
| Tessenderlo to Olpe | 119.23 mi (191.89 km) |
| Tessenderlo to Olsberg | 148.15 mi (238.42 km) |
| Tessenderlo to Oranienburg | 366.00 mi (589.01 km) |
| Tessenderlo to Ortenberg | 180.35 mi (290.24 km) |
| Tessenderlo to Oschatz | 347.42 mi (559.11 km) |
