| Korydallos to Novi di Modena | 813.31 mi (1,308.89 km) |
| Korydallos to Novi Ligure | 899.69 mi (1,447.91 km) |
| Korydallos to Nuoro | 782.93 mi (1,260.01 km) |
| Korydallos to Occhiobello | 786.26 mi (1,265.36 km) |
| Korydallos to Oderzo | 785.79 mi (1,264.61 km) |
| Korydallos to Oggiono | 909.64 mi (1,463.92 km) |
| Korydallos to Olbia | 780.68 mi (1,256.38 km) |
| Korydallos to Oleggio | 933.19 mi (1,501.82 km) |
| Korydallos to Olgiate Comasco | 925.49 mi (1,489.44 km) |
| Korydallos to Olgiate Olona | 923.79 mi (1,486.69 km) |
| Korydallos to Omegna | 952.11 mi (1,532.28 km) |
| Korydallos to Opera | 901.22 mi (1,450.37 km) |
| Korydallos to Oppeano | 816.89 mi (1,314.65 km) |
| Korydallos to Orbassano | 962.26 mi (1,548.61 km) |
| Korydallos to Orbetello | 723.93 mi (1,165.06 km) |
