| Grantham to Noventa Vicentina | 760.61 mi (1,224.09 km) |
| Grantham to Novi di Modena | 761.11 mi (1,224.88 km) |
| Grantham to Novi Ligure | 706.87 mi (1,137.60 km) |
| Grantham to Nuoro | 988.81 mi (1,591.34 km) |
| Grantham to Occhiobello | 780.96 mi (1,256.83 km) |
| Grantham to Oderzo | 767.67 mi (1,235.45 km) |
| Grantham to Oggiono | 665.95 mi (1,071.74 km) |
| Grantham to Olbia | 955.23 mi (1,537.30 km) |
| Grantham to Oleggio | 655.00 mi (1,054.12 km) |
| Grantham to Olgiate Comasco | 654.54 mi (1,053.37 km) |
| Grantham to Olgiate Olona | 660.34 mi (1,062.72 km) |
| Grantham to Omegna | 633.05 mi (1,018.80 km) |
| Grantham to Opera | 683.85 mi (1,100.55 km) |
| Grantham to Oppeano | 748.49 mi (1,204.58 km) |
| Grantham to Orbassano | 659.58 mi (1,061.50 km) |
