| Butler to Nyon | 4,104.96 mi (6,606.30 km) |
| Butler to Oberriet | 4,210.47 mi (6,776.10 km) |
| Butler to Obersiggenthal | 4,152.87 mi (6,683.40 km) |
| Butler to Oberwil | 4,121.90 mi (6,633.55 km) |
| Butler to Oberwingert | 4,171.23 mi (6,712.95 km) |
| Butler to Oftringen | 4,143.30 mi (6,668.00 km) |
| Butler to Olten | 4,141.50 mi (6,665.09 km) |
| Butler to Onex | 4,106.04 mi (6,608.03 km) |
| Butler to Opfikon | 4,165.86 mi (6,704.31 km) |
| Butler to Ostermundigen | 4,137.95 mi (6,659.38 km) |
| Butler to Payerne | 4,119.62 mi (6,629.89 km) |
| Butler to Pfaffikon | 4,176.94 mi (6,722.14 km) |
| Butler to Plan-les-Ouates | 4,107.29 mi (6,610.05 km) |
| Butler to Pratteln | 4,127.73 mi (6,642.94 km) |
| Butler to Prilly | 4,115.26 mi (6,622.86 km) |
