| Irakleio to Oerlinghausen | 1,406.18 mi (2,263.02 km) |
| Irakleio to Oestrich-Winkel | 1,329.03 mi (2,138.86 km) |
| Irakleio to Offenburg | 1,261.20 mi (2,029.71 km) |
| Irakleio to Oftersheim | 1,280.23 mi (2,060.34 km) |
| Irakleio to Ohrdruf | 1,288.51 mi (2,073.66 km) |
| Irakleio to Ohringen | 1,242.30 mi (1,999.29 km) |
| Irakleio to Olbernhau | 1,211.89 mi (1,950.35 km) |
| Irakleio to Olching | 1,134.96 mi (1,826.54 km) |
| Irakleio to Oldenburg | 1,479.97 mi (2,381.79 km) |
| Irakleio to Oldenburg in Holstein | 1,478.13 mi (2,378.82 km) |
| Irakleio to Olfen | 1,431.07 mi (2,303.09 km) |
| Irakleio to Olpe | 1,383.11 mi (2,225.91 km) |
| Irakleio to Olsberg | 1,380.03 mi (2,220.94 km) |
| Irakleio to Oranienburg | 1,336.37 mi (2,150.68 km) |
| Irakleio to Ortenberg | 1,313.05 mi (2,113.15 km) |
