| Olfen to Zottegem | 165.57 mi (266.46 km) |
| Olfen to Zulte | 179.28 mi (288.53 km) |
| Olfen to Zwevegem | 186.19 mi (299.64 km) |
| Olfen to Zwijndrecht | 135.74 mi (218.45 km) |
| Olfen to Asenovgrad | 1,058.89 mi (1,704.12 km) |
| Olfen to Aytos | 1,115.74 mi (1,795.61 km) |
| Olfen to Balchik | 1,119.41 mi (1,801.52 km) |
| Olfen to Bankya | 963.17 mi (1,550.07 km) |
| Olfen to Bansko | 1,018.93 mi (1,639.80 km) |
| Olfen to Berkovitsa | 936.53 mi (1,507.20 km) |
| Olfen to Blagoevgrad | 996.25 mi (1,603.30 km) |
| Olfen to Botevgrad | 976.73 mi (1,571.90 km) |
| Olfen to Burgas | 1,133.12 mi (1,823.58 km) |
| Olfen to Byala Slatina | 955.33 mi (1,537.46 km) |
| Olfen to Chirpan | 1,066.66 mi (1,716.63 km) |