| Omaha to Noventa Vicentina | 4,975.43 mi (8,007.18 km) |
| Omaha to Novi di Modena | 4,969.82 mi (7,998.14 km) |
| Omaha to Novi Ligure | 4,896.74 mi (7,880.54 km) |
| Omaha to Nuoro | 5,117.00 mi (8,235.02 km) |
| Omaha to Occhiobello | 4,993.64 mi (8,036.49 km) |
| Omaha to Oderzo | 4,987.61 mi (8,026.78 km) |
| Omaha to Oggiono | 4,872.60 mi (7,841.69 km) |
| Omaha to Olbia | 5,096.36 mi (8,201.81 km) |
| Omaha to Oleggio | 4,854.02 mi (7,811.78 km) |
| Omaha to Olgiate Comasco | 4,858.38 mi (7,818.81 km) |
| Omaha to Olgiate Olona | 4,861.88 mi (7,824.44 km) |
| Omaha to Omegna | 4,833.39 mi (7,778.60 km) |
| Omaha to Opera | 4,885.33 mi (7,862.18 km) |
| Omaha to Oppeano | 4,961.84 mi (7,985.30 km) |
| Omaha to Orbassano | 4,838.60 mi (7,786.98 km) |
