| Duluth to Nowy Dwor Mazowiecki | 4,522.54 mi (7,278.32 km) |
| Duluth to Nowy Sacz | 4,662.74 mi (7,503.96 km) |
| Duluth to Nowy Targ | 4,649.74 mi (7,483.03 km) |
| Duluth to Nowy Tomysl | 4,390.89 mi (7,066.46 km) |
| Duluth to Nysa | 4,516.77 mi (7,269.04 km) |
| Duluth to Oborniki | 4,395.86 mi (7,074.46 km) |
| Duluth to Oborniki Slaskie | 4,463.28 mi (7,182.96 km) |
| Duluth to Olawa | 4,493.29 mi (7,231.25 km) |
| Duluth to Olecko | 4,493.46 mi (7,231.52 km) |
| Duluth to Olesnica | 4,482.94 mi (7,214.59 km) |
| Duluth to Olesno | 4,530.60 mi (7,291.29 km) |
| Duluth to Olkusz | 4,595.15 mi (7,395.18 km) |
| Duluth to Olsztyn | 4,449.09 mi (7,160.12 km) |
| Duluth to Opalenica | 4,399.91 mi (7,080.97 km) |
| Duluth to Opoczno | 4,562.42 mi (7,342.51 km) |
