| Johnston to Nyon | 4,621.83 mi (7,438.12 km) |
| Johnston to Oberriet | 4,707.10 mi (7,575.35 km) |
| Johnston to Obersiggenthal | 4,652.92 mi (7,488.15 km) |
| Johnston to Oberwil | 4,624.48 mi (7,442.38 km) |
| Johnston to Oberwingert | 4,669.23 mi (7,514.40 km) |
| Johnston to Oftringen | 4,646.19 mi (7,477.31 km) |
| Johnston to Olten | 4,644.16 mi (7,474.06 km) |
| Johnston to Onex | 4,625.04 mi (7,443.28 km) |
| Johnston to Opfikon | 4,665.33 mi (7,508.12 km) |
| Johnston to Ostermundigen | 4,645.45 mi (7,476.12 km) |
| Johnston to Payerne | 4,630.34 mi (7,451.80 km) |
| Johnston to Pfaffikon | 4,676.15 mi (7,525.53 km) |
| Johnston to Plan-les-Ouates | 4,626.37 mi (7,445.42 km) |
| Johnston to Pratteln | 4,629.74 mi (7,450.85 km) |
| Johnston to Prilly | 4,629.54 mi (7,450.53 km) |
