| Glen Parva to Noventa Vicentina | 763.97 mi (1,229.49 km) |
| Glen Parva to Novi di Modena | 762.76 mi (1,227.54 km) |
| Glen Parva to Novi Ligure | 704.72 mi (1,134.13 km) |
| Glen Parva to Nuoro | 981.74 mi (1,579.96 km) |
| Glen Parva to Occhiobello | 783.70 mi (1,261.24 km) |
| Glen Parva to Oderzo | 773.38 mi (1,244.64 km) |
| Glen Parva to Oggiono | 666.80 mi (1,073.12 km) |
| Glen Parva to Olbia | 949.02 mi (1,527.29 km) |
| Glen Parva to Oleggio | 654.17 mi (1,052.79 km) |
| Glen Parva to Olgiate Comasco | 654.70 mi (1,053.64 km) |
| Glen Parva to Olgiate Olona | 660.04 mi (1,062.24 km) |
| Glen Parva to Omegna | 632.38 mi (1,017.72 km) |
| Glen Parva to Opera | 683.64 mi (1,100.22 km) |
| Glen Parva to Oppeano | 751.36 mi (1,209.20 km) |
| Glen Parva to Orbassano | 655.51 mi (1,054.94 km) |
