| Cedar Falls to Noventa Vicentina | 4,782.11 mi (7,696.06 km) |
| Cedar Falls to Novi di Modena | 4,775.78 mi (7,685.88 km) |
| Cedar Falls to Novi Ligure | 4,701.47 mi (7,566.29 km) |
| Cedar Falls to Nuoro | 4,918.55 mi (7,915.64 km) |
| Cedar Falls to Occhiobello | 4,800.01 mi (7,724.87 km) |
| Cedar Falls to Oderzo | 4,795.31 mi (7,717.31 km) |
| Cedar Falls to Oggiono | 4,678.55 mi (7,529.40 km) |
| Cedar Falls to Olbia | 4,898.40 mi (7,883.22 km) |
| Cedar Falls to Oleggio | 4,659.42 mi (7,498.61 km) |
| Cedar Falls to Olgiate Comasco | 4,664.13 mi (7,506.19 km) |
| Cedar Falls to Olgiate Olona | 4,667.44 mi (7,511.52 km) |
| Cedar Falls to Omegna | 4,638.94 mi (7,465.65 km) |
| Cedar Falls to Opera | 4,690.84 mi (7,549.18 km) |
| Cedar Falls to Oppeano | 4,768.33 mi (7,673.89 km) |
| Cedar Falls to Orbassano | 4,642.93 mi (7,472.07 km) |
