| Aalten to Oerlinghausen | 88.75 mi (142.83 km) |
| Aalten to Oestrich-Winkel | 147.11 mi (236.75 km) |
| Aalten to Offenburg | 246.84 mi (397.25 km) |
| Aalten to Oftersheim | 197.56 mi (317.95 km) |
| Aalten to Ohrdruf | 194.52 mi (313.05 km) |
| Aalten to Ohringen | 228.10 mi (367.10 km) |
| Aalten to Olbernhau | 304.32 mi (489.75 km) |
| Aalten to Olching | 332.43 mi (534.99 km) |
| Aalten to Oldenburg | 108.12 mi (174.01 km) |
| Aalten to Oldenburg in Holstein | 241.86 mi (389.24 km) |
| Aalten to Olfen | 37.30 mi (60.02 km) |
| Aalten to Olpe | 83.09 mi (133.72 km) |
| Aalten to Olsberg | 90.89 mi (146.27 km) |
| Aalten to Oranienburg | 286.41 mi (460.94 km) |
| Aalten to Ortenberg | 152.83 mi (245.95 km) |
