| New Carrollton to Noventa Vicentina | 4,317.07 mi (6,947.65 km) |
| New Carrollton to Novi di Modena | 4,302.96 mi (6,924.94 km) |
| New Carrollton to Novi Ligure | 4,215.89 mi (6,784.82 km) |
| New Carrollton to Nuoro | 4,388.06 mi (7,061.90 km) |
| New Carrollton to Occhiobello | 4,331.19 mi (6,970.37 km) |
| New Carrollton to Oderzo | 4,341.08 mi (6,986.29 km) |
| New Carrollton to Oggiono | 4,207.58 mi (6,771.45 km) |
| New Carrollton to Olbia | 4,375.03 mi (7,040.93 km) |
| New Carrollton to Oleggio | 4,182.62 mi (6,731.28 km) |
| New Carrollton to Olgiate Comasco | 4,191.17 mi (6,745.03 km) |
| New Carrollton to Olgiate Olona | 4,192.32 mi (6,746.89 km) |
| New Carrollton to Omegna | 4,164.18 mi (6,701.60 km) |
| New Carrollton to Opera | 4,214.60 mi (6,782.74 km) |
| New Carrollton to Oppeano | 4,301.59 mi (6,922.74 km) |
| New Carrollton to Orbassano | 4,153.69 mi (6,684.71 km) |
