| New Port Richey to Collegno | 4,878.82 mi (7,851.70 km) |
| New Port Richey to Cologno al Serio | 4,962.12 mi (7,985.76 km) |
| New Port Richey to Cologno Monzese | 4,944.62 mi (7,957.60 km) |
| New Port Richey to Colorno | 5,009.97 mi (8,062.78 km) |
| New Port Richey to Comacchio | 5,097.37 mi (8,203.42 km) |
| New Port Richey to Comiso | 5,442.14 mi (8,758.28 km) |
| New Port Richey to Como | 4,928.78 mi (7,932.11 km) |
| New Port Richey to Concordia Sagittaria | 5,097.04 mi (8,202.89 km) |
| New Port Richey to Concorezzo | 4,945.63 mi (7,959.22 km) |
| New Port Richey to Conegliano | 5,069.35 mi (8,158.33 km) |
| New Port Richey to Conselice | 5,086.74 mi (8,186.31 km) |
| New Port Richey to Conselve | 5,068.36 mi (8,156.73 km) |
| New Port Richey to Conversano | 5,434.67 mi (8,746.26 km) |
| New Port Richey to Copertino | 5,500.62 mi (8,852.38 km) |
| New Port Richey to Copparo | 5,076.09 mi (8,169.18 km) |
