| Diamond Bar to Oststeinbek | 5,635.99 mi (9,070.25 km) |
| Diamond Bar to Ottendorf-Okrilla | 5,860.34 mi (9,431.31 km) |
| Diamond Bar to Ottersberg | 5,631.00 mi (9,062.22 km) |
| Diamond Bar to Ottobrunn | 5,965.99 mi (9,601.34 km) |
| Diamond Bar to Ottweiler | 5,762.83 mi (9,274.38 km) |
| Diamond Bar to Overath | 5,687.06 mi (9,152.45 km) |
| Diamond Bar to Oyten | 5,629.32 mi (9,059.51 km) |
| Diamond Bar to Paderborn | 5,690.63 mi (9,158.18 km) |
| Diamond Bar to Papenburg | 5,583.45 mi (8,985.70 km) |
| Diamond Bar to Parchim | 5,687.38 mi (9,152.95 km) |
| Diamond Bar to Pasewalk | 5,739.38 mi (9,236.63 km) |
| Diamond Bar to Passau | 5,991.09 mi (9,641.73 km) |
| Diamond Bar to Pattensen | 5,691.14 mi (9,159.01 km) |
| Diamond Bar to Pegnitz | 5,872.96 mi (9,451.62 km) |
| Diamond Bar to Peine | 5,701.40 mi (9,175.52 km) |
