| Chirpan to Novi di Modena | 744.79 mi (1,198.63 km) |
| Chirpan to Novi Ligure | 846.24 mi (1,361.89 km) |
| Chirpan to Nuoro | 839.43 mi (1,350.93 km) |
| Chirpan to Occhiobello | 712.34 mi (1,146.40 km) |
| Chirpan to Oderzo | 683.19 mi (1,099.49 km) |
| Chirpan to Oggiono | 830.11 mi (1,335.94 km) |
| Chirpan to Olbia | 821.73 mi (1,322.45 km) |
| Chirpan to Oleggio | 861.73 mi (1,386.83 km) |
| Chirpan to Olgiate Comasco | 848.22 mi (1,365.08 km) |
| Chirpan to Olgiate Olona | 850.24 mi (1,368.33 km) |
| Chirpan to Omegna | 875.92 mi (1,409.66 km) |
| Chirpan to Opera | 831.35 mi (1,337.93 km) |
| Chirpan to Oppeano | 736.45 mi (1,185.20 km) |
| Chirpan to Orbassano | 908.86 mi (1,462.66 km) |
| Chirpan to Orbetello | 720.30 mi (1,159.22 km) |
