| Hartlepool to Nyon | 659.65 mi (1,061.61 km) |
| Hartlepool to Oberriet | 690.66 mi (1,111.51 km) |
| Hartlepool to Obersiggenthal | 645.18 mi (1,038.32 km) |
| Hartlepool to Oberwil | 623.89 mi (1,004.05 km) |
| Hartlepool to Oberwingert | 656.81 mi (1,057.03 km) |
| Hartlepool to Oftringen | 644.66 mi (1,037.48 km) |
| Hartlepool to Olten | 642.32 mi (1,033.71 km) |
| Hartlepool to Onex | 669.20 mi (1,076.98 km) |
| Hartlepool to Opfikon | 655.76 mi (1,055.34 km) |
| Hartlepool to Ostermundigen | 654.54 mi (1,053.39 km) |
| Hartlepool to Payerne | 649.16 mi (1,044.73 km) |
| Hartlepool to Pfaffikon | 665.50 mi (1,071.01 km) |
| Hartlepool to Plan-les-Ouates | 670.59 mi (1,079.20 km) |
| Hartlepool to Pratteln | 627.53 mi (1,009.92 km) |
| Hartlepool to Prilly | 658.55 mi (1,059.83 km) |
