| Loudoun Valley Estates to Nyon | 4,081.89 mi (6,569.16 km) |
| Loudoun Valley Estates to Oberriet | 4,194.27 mi (6,750.03 km) |
| Loudoun Valley Estates to Obersiggenthal | 4,135.74 mi (6,655.83 km) |
| Loudoun Valley Estates to Oberwil | 4,104.01 mi (6,604.77 km) |
| Loudoun Valley Estates to Oberwingert | 4,154.75 mi (6,686.43 km) |
| Loudoun Valley Estates to Oftringen | 4,125.19 mi (6,638.85 km) |
| Loudoun Valley Estates to Olten | 4,123.48 mi (6,636.09 km) |
| Loudoun Valley Estates to Onex | 4,082.16 mi (6,569.60 km) |
| Loudoun Valley Estates to Opfikon | 4,148.88 mi (6,676.98 km) |
| Loudoun Valley Estates to Ostermundigen | 4,118.18 mi (6,627.56 km) |
| Loudoun Valley Estates to Payerne | 4,098.76 mi (6,596.32 km) |
| Loudoun Valley Estates to Pfaffikon | 4,160.00 mi (6,694.87 km) |
| Loudoun Valley Estates to Plan-les-Ouates | 4,083.38 mi (6,571.56 km) |
| Loudoun Valley Estates to Pratteln | 4,110.02 mi (6,614.44 km) |
| Loudoun Valley Estates to Prilly | 4,093.09 mi (6,587.19 km) |
