| Castelfranco Emilia to Novi di Modena | 21.81 mi (35.10 km) |
| Castelfranco Emilia to Novi Ligure | 111.95 mi (180.16 km) |
| Castelfranco Emilia to Nuoro | 308.42 mi (496.35 km) |
| Castelfranco Emilia to Occhiobello | 34.29 mi (55.19 km) |
| Castelfranco Emilia to Oderzo | 107.75 mi (173.40 km) |
| Castelfranco Emilia to Oggiono | 116.60 mi (187.65 km) |
| Castelfranco Emilia to Olbia | 266.17 mi (428.36 km) |
| Castelfranco Emilia to Oleggio | 136.85 mi (220.24 km) |
| Castelfranco Emilia to Olgiate Comasco | 130.53 mi (210.07 km) |
| Castelfranco Emilia to Olgiate Olona | 127.74 mi (205.58 km) |
| Castelfranco Emilia to Omegna | 156.23 mi (251.42 km) |
| Castelfranco Emilia to Opera | 104.89 mi (168.81 km) |
| Castelfranco Emilia to Oppeano | 49.01 mi (78.87 km) |
| Castelfranco Emilia to Orbassano | 174.67 mi (281.11 km) |
| Castelfranco Emilia to Orbetello | 149.27 mi (240.23 km) |
