| DeForest to Nyon | 4,383.75 mi (7,054.96 km) |
| DeForest to Oberriet | 4,471.92 mi (7,196.86 km) |
| DeForest to Obersiggenthal | 4,417.18 mi (7,108.76 km) |
| DeForest to Oberwil | 4,388.34 mi (7,062.35 km) |
| DeForest to Oberwingert | 4,433.80 mi (7,135.52 km) |
| DeForest to Oftringen | 4,410.03 mi (7,097.26 km) |
| DeForest to Olten | 4,408.04 mi (7,094.05 km) |
| DeForest to Onex | 4,386.68 mi (7,059.68 km) |
| DeForest to Opfikon | 4,429.68 mi (7,128.89 km) |
| DeForest to Ostermundigen | 4,408.65 mi (7,095.04 km) |
| DeForest to Payerne | 4,393.08 mi (7,069.98 km) |
| DeForest to Pfaffikon | 4,440.56 mi (7,146.38 km) |
| DeForest to Plan-les-Ouates | 4,388.00 mi (7,061.81 km) |
| DeForest to Pratteln | 4,393.69 mi (7,070.96 km) |
| DeForest to Prilly | 4,391.81 mi (7,067.93 km) |
