| Darlington to Nowy Dwor Mazowiecki | 923.00 mi (1,485.42 km) |
| Darlington to Nowy Sacz | 998.66 mi (1,607.18 km) |
| Darlington to Nowy Targ | 977.13 mi (1,572.54 km) |
| Darlington to Nowy Tomysl | 741.93 mi (1,194.01 km) |
| Darlington to Nysa | 839.28 mi (1,350.70 km) |
| Darlington to Oborniki | 762.17 mi (1,226.59 km) |
| Darlington to Oborniki Slaskie | 797.96 mi (1,284.19 km) |
| Darlington to Olawa | 824.05 mi (1,326.17 km) |
| Darlington to Olecko | 966.10 mi (1,554.79 km) |
| Darlington to Olesnica | 819.77 mi (1,319.30 km) |
| Darlington to Olesno | 869.93 mi (1,400.01 km) |
| Darlington to Olkusz | 933.07 mi (1,501.63 km) |
| Darlington to Olsztyn | 889.32 mi (1,431.22 km) |
| Darlington to Opalenica | 753.33 mi (1,212.37 km) |
| Darlington to Opoczno | 930.69 mi (1,497.80 km) |
