| Fort Collins to Nowy Dwor Mazowiecki | 5,240.97 mi (8,434.53 km) |
| Fort Collins to Nowy Sacz | 5,390.72 mi (8,675.52 km) |
| Fort Collins to Nowy Targ | 5,379.81 mi (8,657.97 km) |
| Fort Collins to Nowy Tomysl | 5,120.23 mi (8,240.22 km) |
| Fort Collins to Nysa | 5,249.65 mi (8,448.49 km) |
| Fort Collins to Oborniki | 5,122.57 mi (8,243.97 km) |
| Fort Collins to Oborniki Slaskie | 5,194.40 mi (8,359.59 km) |
| Fort Collins to Olawa | 5,224.74 mi (8,408.41 km) |
| Fort Collins to Olecko | 5,201.47 mi (8,370.95 km) |
| Fort Collins to Olesnica | 5,213.34 mi (8,390.06 km) |
| Fort Collins to Olesno | 5,259.78 mi (8,464.80 km) |
| Fort Collins to Olkusz | 5,323.66 mi (8,567.60 km) |
| Fort Collins to Olsztyn | 5,163.18 mi (8,309.33 km) |
| Fort Collins to Opalenica | 5,128.67 mi (8,253.80 km) |
| Fort Collins to Opoczno | 5,285.59 mi (8,506.33 km) |
