| Cedar Rapids to Noventa Vicentina | 4,779.16 mi (7,691.31 km) |
| Cedar Rapids to Novi di Modena | 4,772.23 mi (7,680.16 km) |
| Cedar Rapids to Novi Ligure | 4,696.84 mi (7,558.84 km) |
| Cedar Rapids to Nuoro | 4,910.67 mi (7,902.96 km) |
| Cedar Rapids to Occhiobello | 4,796.80 mi (7,719.70 km) |
| Cedar Rapids to Oderzo | 4,793.20 mi (7,713.90 km) |
| Cedar Rapids to Oggiono | 4,675.01 mi (7,523.70 km) |
| Cedar Rapids to Olbia | 4,891.07 mi (7,871.41 km) |
| Cedar Rapids to Oleggio | 4,655.41 mi (7,492.15 km) |
| Cedar Rapids to Olgiate Comasco | 4,660.41 mi (7,500.21 km) |
| Cedar Rapids to Olgiate Olona | 4,663.57 mi (7,505.29 km) |
| Cedar Rapids to Omegna | 4,635.05 mi (7,459.40 km) |
| Cedar Rapids to Opera | 4,686.91 mi (7,542.86 km) |
| Cedar Rapids to Oppeano | 4,765.23 mi (7,668.90 km) |
| Cedar Rapids to Orbassano | 4,637.94 mi (7,464.04 km) |
