| Piqua to Brezovica | 4,657.91 mi (7,496.19 km) |
| Piqua to Cankova | 4,692.13 mi (7,551.25 km) |
| Piqua to Celje | 4,682.55 mi (7,535.83 km) |
| Piqua to Cerklje na Gorenjskem | 4,651.51 mi (7,485.89 km) |
| Piqua to Cerknica | 4,664.48 mi (7,506.75 km) |
| Piqua to Cerkno | 4,636.91 mi (7,462.38 km) |
| Piqua to Cerkvenjak | 4,695.43 mi (7,556.56 km) |
| Piqua to Cirkulane | 4,706.39 mi (7,574.21 km) |
| Piqua to Crensovci | 4,708.58 mi (7,577.73 km) |
| Piqua to Crna na Koroskem | 4,656.92 mi (7,494.59 km) |
| Piqua to Crnomelj | 4,706.18 mi (7,573.87 km) |
| Piqua to Destrnik | 4,695.98 mi (7,557.45 km) |
| Piqua to Divaca | 4,653.70 mi (7,489.40 km) |
| Piqua to Dobje | 4,691.46 mi (7,550.18 km) |
| Piqua to Dobrna | 4,676.96 mi (7,526.84 km) |
