| Oconomowoc to Cascais | 3,982.82 mi (6,409.73 km) |
| Oconomowoc to Castelo Branco | 4,028.92 mi (6,483.91 km) |
| Oconomowoc to Castro Daire | 3,970.19 mi (6,389.40 km) |
| Oconomowoc to Celorico de Basto | 3,949.94 mi (6,356.82 km) |
| Oconomowoc to Chamusca | 4,001.59 mi (6,439.94 km) |
| Oconomowoc to Chaves | 3,960.64 mi (6,374.03 km) |
| Oconomowoc to Cinfaes | 3,954.11 mi (6,363.53 km) |
| Oconomowoc to Coimbra | 3,972.77 mi (6,393.55 km) |
| Oconomowoc to Condeixa-a-Nova | 3,972.99 mi (6,393.90 km) |
| Oconomowoc to Corroios | 3,998.11 mi (6,434.33 km) |
| Oconomowoc to Coruche | 4,014.01 mi (6,459.93 km) |
| Oconomowoc to Costa de Caparica | 3,993.13 mi (6,426.32 km) |
| Oconomowoc to Covilha | 4,011.86 mi (6,456.47 km) |
| Oconomowoc to Eiras | 3,971.88 mi (6,392.12 km) |
| Oconomowoc to Elvas | 4,079.85 mi (6,565.89 km) |
