| Grantham to Nowy Dwor Mazowiecki | 891.94 mi (1,435.44 km) |
| Grantham to Nowy Sacz | 946.07 mi (1,522.56 km) |
| Grantham to Nowy Targ | 922.03 mi (1,483.86 km) |
| Grantham to Nowy Tomysl | 703.16 mi (1,131.62 km) |
| Grantham to Nysa | 785.80 mi (1,264.63 km) |
| Grantham to Oborniki | 727.85 mi (1,171.37 km) |
| Grantham to Oborniki Slaskie | 750.72 mi (1,208.17 km) |
| Grantham to Olawa | 774.39 mi (1,246.26 km) |
| Grantham to Olecko | 950.32 mi (1,529.39 km) |
| Grantham to Olesnica | 772.61 mi (1,243.40 km) |
| Grantham to Olesno | 822.05 mi (1,322.97 km) |
| Grantham to Olkusz | 882.85 mi (1,420.81 km) |
| Grantham to Olsztyn | 869.78 mi (1,399.78 km) |
| Grantham to Opalenica | 714.92 mi (1,150.56 km) |
| Grantham to Opoczno | 890.31 mi (1,432.81 km) |
