| Forest Grove to Noventa Vicentina | 5,579.64 mi (8,979.56 km) |
| Forest Grove to Novi di Modena | 5,587.19 mi (8,991.71 km) |
| Forest Grove to Novi Ligure | 5,541.22 mi (8,917.73 km) |
| Forest Grove to Nuoro | 5,817.22 mi (9,361.91 km) |
| Forest Grove to Occhiobello | 5,602.39 mi (9,016.18 km) |
| Forest Grove to Oderzo | 5,573.15 mi (8,969.12 km) |
| Forest Grove to Oggiono | 5,495.58 mi (8,844.28 km) |
| Forest Grove to Olbia | 5,786.33 mi (9,312.19 km) |
| Forest Grove to Oleggio | 5,488.04 mi (8,832.14 km) |
| Forest Grove to Olgiate Comasco | 5,485.84 mi (8,828.60 km) |
| Forest Grove to Olgiate Olona | 5,492.50 mi (8,839.32 km) |
| Forest Grove to Omegna | 5,465.96 mi (8,796.62 km) |
| Forest Grove to Opera | 5,515.69 mi (8,876.65 km) |
| Forest Grove to Oppeano | 5,570.02 mi (8,964.09 km) |
| Forest Grove to Orbassano | 5,494.04 mi (8,841.80 km) |
