| Ashtabula to Nyon | 4,100.17 mi (6,598.59 km) |
| Ashtabula to Oberriet | 4,202.37 mi (6,763.06 km) |
| Ashtabula to Obersiggenthal | 4,145.26 mi (6,671.15 km) |
| Ashtabula to Oberwil | 4,114.67 mi (6,621.92 km) |
| Ashtabula to Oberwingert | 4,163.31 mi (6,700.19 km) |
| Ashtabula to Oftringen | 4,136.16 mi (6,656.50 km) |
| Ashtabula to Olten | 4,134.31 mi (6,653.53 km) |
| Ashtabula to Onex | 4,101.63 mi (6,600.93 km) |
| Ashtabula to Opfikon | 4,158.17 mi (6,691.93 km) |
| Ashtabula to Ostermundigen | 4,131.58 mi (6,649.14 km) |
| Ashtabula to Payerne | 4,113.78 mi (6,620.50 km) |
| Ashtabula to Pfaffikon | 4,169.23 mi (6,709.72 km) |
| Ashtabula to Plan-les-Ouates | 4,102.89 mi (6,602.97 km) |
| Ashtabula to Pratteln | 4,120.41 mi (6,631.16 km) |
| Ashtabula to Prilly | 4,110.03 mi (6,614.45 km) |
