| Prairie Ridge to Noventa Vicentina | 5,459.87 mi (8,786.82 km) |
| Prairie Ridge to Novi di Modena | 5,467.61 mi (8,799.27 km) |
| Prairie Ridge to Novi Ligure | 5,422.13 mi (8,726.08 km) |
| Prairie Ridge to Nuoro | 5,698.96 mi (9,171.59 km) |
| Prairie Ridge to Occhiobello | 5,482.68 mi (8,823.51 km) |
| Prairie Ridge to Oderzo | 5,453.14 mi (8,775.98 km) |
| Prairie Ridge to Oggiono | 5,376.16 mi (8,652.10 km) |
| Prairie Ridge to Olbia | 5,667.88 mi (9,121.58 km) |
| Prairie Ridge to Oleggio | 5,368.82 mi (8,640.28 km) |
| Prairie Ridge to Olgiate Comasco | 5,366.51 mi (8,636.56 km) |
| Prairie Ridge to Olgiate Olona | 5,373.22 mi (8,647.36 km) |
| Prairie Ridge to Omegna | 5,346.74 mi (8,604.74 km) |
| Prairie Ridge to Opera | 5,396.38 mi (8,684.64 km) |
| Prairie Ridge to Oppeano | 5,450.32 mi (8,771.45 km) |
| Prairie Ridge to Orbassano | 5,375.19 mi (8,650.54 km) |
