| New Carrollton to Nyon | 4,055.37 mi (6,526.48 km) |
| New Carrollton to Oberriet | 4,168.55 mi (6,708.63 km) |
| New Carrollton to Obersiggenthal | 4,109.91 mi (6,614.27 km) |
| New Carrollton to Oberwil | 4,078.10 mi (6,563.07 km) |
| New Carrollton to Oberwingert | 4,129.00 mi (6,644.98 km) |
| New Carrollton to Oftringen | 4,099.25 mi (6,597.10 km) |
| New Carrollton to Olten | 4,097.54 mi (6,594.36 km) |
| New Carrollton to Onex | 4,055.54 mi (6,526.77 km) |
| New Carrollton to Opfikon | 4,123.07 mi (6,635.43 km) |
| New Carrollton to Ostermundigen | 4,092.04 mi (6,585.49 km) |
| New Carrollton to Payerne | 4,072.50 mi (6,554.05 km) |
| New Carrollton to Pfaffikon | 4,134.19 mi (6,653.33 km) |
| New Carrollton to Plan-les-Ouates | 4,056.76 mi (6,528.72 km) |
| New Carrollton to Pratteln | 4,084.13 mi (6,572.77 km) |
| New Carrollton to Prilly | 4,066.67 mi (6,544.68 km) |
