| Merrillville to Noventa Vicentina | 4,634.68 mi (7,458.80 km) |
| Merrillville to Novi di Modena | 4,625.84 mi (7,444.58 km) |
| Merrillville to Novi Ligure | 4,547.15 mi (7,317.94 km) |
| Merrillville to Nuoro | 4,750.73 mi (7,645.56 km) |
| Merrillville to Occhiobello | 4,651.45 mi (7,485.79 km) |
| Merrillville to Oderzo | 4,651.40 mi (7,485.70 km) |
| Merrillville to Oggiono | 4,528.79 mi (7,288.39 km) |
| Merrillville to Olbia | 4,732.79 mi (7,616.69 km) |
| Merrillville to Oleggio | 4,507.72 mi (7,254.48 km) |
| Merrillville to Olgiate Comasco | 4,513.67 mi (7,264.06 km) |
| Merrillville to Olgiate Olona | 4,516.31 mi (7,268.31 km) |
| Merrillville to Omegna | 4,487.80 mi (7,222.42 km) |
| Merrillville to Opera | 4,539.45 mi (7,305.55 km) |
| Merrillville to Oppeano | 4,620.30 mi (7,435.66 km) |
| Merrillville to Orbassano | 4,487.20 mi (7,221.45 km) |
