| Hilliard to Nyon | 4,275.52 mi (6,880.78 km) |
| Hilliard to Oberriet | 4,378.59 mi (7,046.65 km) |
| Hilliard to Obersiggenthal | 4,321.36 mi (6,954.56 km) |
| Hilliard to Oberwil | 4,290.68 mi (6,905.18 km) |
| Hilliard to Oberwingert | 4,339.48 mi (6,983.72 km) |
| Hilliard to Oftringen | 4,312.15 mi (6,939.73 km) |
| Hilliard to Olten | 4,310.31 mi (6,936.78 km) |
| Hilliard to Onex | 4,276.86 mi (6,882.94 km) |
| Hilliard to Opfikon | 4,334.29 mi (6,975.37 km) |
| Hilliard to Ostermundigen | 4,307.37 mi (6,932.05 km) |
| Hilliard to Payerne | 4,289.43 mi (6,903.18 km) |
| Hilliard to Pfaffikon | 4,345.35 mi (6,993.17 km) |
| Hilliard to Plan-les-Ouates | 4,278.12 mi (6,884.97 km) |
| Hilliard to Pratteln | 4,296.44 mi (6,914.46 km) |
| Hilliard to Prilly | 4,285.51 mi (6,896.85 km) |
