| Hartlepool to Nowy Dwor Mazowiecki | 909.36 mi (1,463.47 km) |
| Hartlepool to Nowy Sacz | 987.39 mi (1,589.06 km) |
| Hartlepool to Nowy Targ | 966.21 mi (1,554.97 km) |
| Hartlepool to Nowy Tomysl | 729.30 mi (1,173.70 km) |
| Hartlepool to Nysa | 828.30 mi (1,333.02 km) |
| Hartlepool to Oborniki | 749.04 mi (1,205.46 km) |
| Hartlepool to Oborniki Slaskie | 786.24 mi (1,265.33 km) |
| Hartlepool to Olawa | 812.59 mi (1,307.74 km) |
| Hartlepool to Olecko | 951.06 mi (1,530.58 km) |
| Hartlepool to Olesnica | 808.02 mi (1,300.38 km) |
| Hartlepool to Olesno | 858.20 mi (1,381.14 km) |
| Hartlepool to Olkusz | 921.57 mi (1,483.12 km) |
| Hartlepool to Olsztyn | 874.64 mi (1,407.60 km) |
| Hartlepool to Opalenica | 740.65 mi (1,191.96 km) |
| Hartlepool to Opoczno | 918.03 mi (1,477.42 km) |
