| Placentia to Allison Park (Pennsylvania) | 2,118.34 mi (3,409.14 km) |
| Placentia to Allouez (Wisconsin) | 1,744.44 mi (2,807.41 km) |
| Placentia to Aloha (Oregon) | 845.00 mi (1,359.90 km) |
| Placentia to Alpena (Michigan) | 1,972.97 mi (3,175.18 km) |
| Placentia to Alpharetta (Georgia) | 1,915.38 mi (3,082.51 km) |
| Placentia to Alpine (California) | 95.59 mi (153.84 km) |
| Placentia to Alpine (Utah) | 564.46 mi (908.41 km) |
| Placentia to Alsip (Illinois) | 1,720.40 mi (2,768.72 km) |
| Placentia to Altadena (California) | 26.84 mi (43.20 km) |
| Placentia to Altamont (Oregon) | 611.85 mi (984.67 km) |
| Placentia to Altamonte Springs (Florida) | 2,171.65 mi (3,494.94 km) |
| Placentia to Alton (Illinois) | 1,572.91 mi (2,531.36 km) |
| Placentia to Alton (Texas) | 1,278.00 mi (2,056.74 km) |
| Placentia to Altoona (Iowa) | 1,429.39 mi (2,300.38 km) |
| Placentia to Altoona (Pennsylvania) | 2,200.25 mi (3,540.96 km) |
